Mycobacterium tuberculosis BCG|377625 |BNCC

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Mycobacterium tuberculosis variant bovis BCG

Culture medium	BNCC372460
Description	Middlebrook 7H10 Broth
Composition	(NH₄)₂SO₄:0.5g, KH₂PO₄:1.5g, Na₂HPO₄:1.5g, Na₃C₆H₅O₇:0.4g, MgSO₄:0.025g, CaCl₂:0.5mg, ZnSO₄:0.001g, CuSO₄:0.001g, C₅H₈NNaO₄:0.5g, C₆H₈FeNO₇:0.04g, C₈H₁₁NO₃.HCl:0.001g, Biotin(C₁₀H₁₆N₂O₃S):0.5mg, Malachite Green:0.25mg, OADC Supplement:10%(added at 50℃), Glycerol:5ml, pH:6.6±0.2(25℃)
Growth conditions	37 ℃; 2-3 weeks; aerobic;
Subculture procedure	① Prepare 1-2 tablets mentioned above; ② Open the safety cabinet, burn the top with an alcohol lamp, quickly drip sterile water to break it, and then use tweezers to crush it; ③ Take 0.5mL of sterile water and transfer it into a freeze-drying tube. After fully dissolving the bacterial powder, transfer it into a Agar plate at a rate of 200 μ L per piece and apply evenly; ④ Place the petri dish under the above cultivation conditions for cultivation, and once the bacterial strain grows, it can be used. During the cultivation process, the agar plate should be kept moist. After the agar plate is dried, it can be opened in a safe cabinet and an appropriate amount of 7H10 (containing 10% OADC additive) liquid culture medium should be added.
Storage conditions	2-8 ℃
Safety level	2
morphology	The colony diameter is 1-2mm, with irregular shape and edges, gray white on the back, flat shape, rough surface, gray on the surface, dry texture, G+(blue purple), Bacillus, purity: pure
Sharing mode	Public welfare sharing